$139+ Cheap flights from O'Hare Intl (ORD) to Harlingen (HRL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — HRL
May 17 — May 241
Round-trip
1 adult, Economy
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1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from O'Hare Intl to Harlingen
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Cheapest flights from O'Hare Intl to HarlingenExplore the most affordable flight options available from O'Hare Intl to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
Explore the most affordable flight options available from O'Hare Intl to Harlingen. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 17, 2026.
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:43 am
ORD
- HRL
1 stop7h 50m
American Airlines
Sat 5/22:47 pm
HRL
- ORD
1 stop7h 58m
American Airlines
Deal found 4/14![American Airlines logo]()
$307
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:45 pm
ORD
- HRL
1 stop4h 50m
Southwest
Mon 5/186:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Deal found 4/13![Southwest logo]()
$317
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:45 pm
ORD
- HRL
1 stop5h 10m
Southwest
Mon 5/186:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Deal found 4/14![Southwest logo]()
$327
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:00 am
ORD
- HRL
1 stop5h 13m
American Airlines
Mon 6/14:57 pm
HRL
- ORD
1 stop7h 45m
American Airlines
Deal found 4/14![American Airlines logo]()
$328
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:00 pm
ORD
- HRL
1 stop5h 59m
United Airlines
Mon 5/185:18 pm
HRL
- ORD
1 stop7h 27m
United Airlines
Deal found 4/15![United Airlines logo]()
$330
This Delta deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/248:50 am
ORD
- HRL
1 stop6h 15m
Delta
Mon 4/274:02 pm
HRL
- ORD
1 stop5h 36m
Delta
Deal found 4/13![Delta logo]()
$337
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:10 pm
ORD
- HRL
1 stop5h 50m
United Airlines
Mon 5/115:18 pm
HRL
- ORD
1 stop7h 27m
United Airlines
Deal found 4/16![United Airlines logo]()
$340
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/16:30 am
ORD
- HRL
1 stop7h 00m
United Airlines
Tue 8/45:20 pm
HRL
- ORD
1 stop5h 55m
United Airlines
Deal found 4/14![United Airlines logo]()
$345
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:05 pm
ORD
- HRL
2 stops7h 30m
Southwest
Mon 5/116:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Deal found 4/16![Southwest logo]()
$352
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:10 pm
ORD
- HRL
1 stop5h 50m
United Airlines
Wed 5/65:18 pm
HRL
- ORD
1 stop7h 27m
United Airlines
Deal found 4/15![United Airlines logo]()
$357
Best flights from O'Hare Intl to HarlingenDiscover carefully curated flight deals from O'Hare Intl to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
Discover carefully curated flight deals from O'Hare Intl to Harlingen that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated April 17, 2026.
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:45 pm
ORD
- HRL
1 stop4h 50m
Southwest
Mon 5/186:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Deal found 4/13![Southwest logo]()
$317
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:10 pm
ORD
- HRL
1 stop5h 50m
United Airlines
Wed 5/65:18 pm
HRL
- ORD
1 stop7h 27m
United Airlines
Deal found 4/15![United Airlines logo]()
$357
This American Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/25:00 am
ORD
- HRL
1 stop5h 13m
American Airlines
Fri 6/54:57 pm
HRL
- ORD
1 stop7h 38m
American Airlines
Deal found 4/16![American Airlines logo]()
$398
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:45 pm
ORD
- HRL
1 stop5h 10m
Southwest
Mon 5/186:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Deal found 4/14![Southwest logo]()
$327
This Southwest deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/132:40 pm
ORD
- HRL
2 stops7h 20m
Southwest
Mon 5/186:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Deal found 4/15![Southwest logo]()
$382
This United Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/65:30 am
ORD
- HRL
1 stop5h 53m
United Airlines
Sat 5/165:18 pm
HRL
- ORD
1 stop7h 27m
United Airlines
Deal found 4/14![United Airlines logo]()
$437
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:55 am
ORD
- HRL
2 stops10h 05m
Southwest
Sat 5/26:05 am
HRL
- ORD
2 stops15h 50m
Southwest
Deal found 4/14![Southwest logo]()
$444
Last-minute flights from O'Hare Intl to HarlingenDiscover last-minute flight deals from O'Hare Intl to Harlingen. Data last updated April 17, 2026 and is based on user searches.
Discover last-minute flight deals from O'Hare Intl to Harlingen. Data last updated April 17, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/175:00 am
ORD
- HRL
1 stop5h 17m
American Airlines
Mon 4/202:47 pm
HRL
- ORD
1 stop7h 13m
American Airlines
Deal found 4/15![American Airlines logo]()
$337
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2911:43 am
ORD
- HRL
1 stop7h 50m
American Airlines
Sat 5/22:47 pm
HRL
- ORD
1 stop7h 58m
American Airlines
Deal found 4/14![American Airlines logo]()
$307
This American Airlines deal was found by Cheapflights users on 4/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/305:00 am
ORD
- HRL
1 stop5h 17m
American Airlines
Tue 5/56:45 pm
HRL
- ORD
1 stop5h 03m
American Airlines
Deal found 4/12![American Airlines logo]()
$277
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:10 pm
ORD
- HRL
1 stop5h 50m
United Airlines
Wed 5/65:18 pm
HRL
- ORD
1 stop7h 27m
United Airlines
Deal found 4/15![United Airlines logo]()
$357
This United Airlines deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:10 pm
ORD
- HRL
1 stop5h 50m
United Airlines
Mon 5/115:18 pm
HRL
- ORD
1 stop7h 27m
United Airlines
Deal found 4/16![United Airlines logo]()
$340
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:05 pm
ORD
- HRL
2 stops7h 30m
Southwest
Mon 5/116:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Deal found 4/16![Southwest logo]()
$352
This Southwest deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/123:45 pm
ORD
- HRL
1 stop5h 10m
Southwest
Mon 5/186:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Deal found 4/14![Southwest logo]()
$327
This United Airlines deal was found by Cheapflights users on 4/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/134:00 pm
ORD
- HRL
1 stop5h 59m
United Airlines
Mon 5/185:18 pm
HRL
- ORD
1 stop7h 27m
United Airlines
Deal found 4/15![United Airlines logo]()
$330
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/143:45 pm
ORD
- HRL
1 stop4h 50m
Southwest
Mon 5/186:55 am
HRL
- ORD
1 stop6h 20m
Southwest
Deal found 4/13![Southwest logo]()
$317
This American Airlines deal was found by Cheapflights users on 4/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/265:00 am
ORD
- HRL
1 stop5h 13m
American Airlines
Mon 6/14:57 pm
HRL
- ORD
1 stop7h 45m
American Airlines
Deal found 4/14![American Airlines logo]()
$328
One-way flights from O'Hare Intl to HarlingenSearch for one-way flight options from O'Hare Intl to Harlingen. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
Search for one-way flight options from O'Hare Intl to Harlingen. Find affordable one-way fares based on user searches. Data last updated April 17, 2026.
This American Airlines deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/912:30 pm
ORD
- HRL
1 stop7h 03m
American Airlines
Deal found 4/13![American Airlines logo]()
$139
This Delta deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/258:50 am
ORD
- HRL
1 stop6h 15m
Delta
Deal found 4/16![Delta logo]()
$169
This Southwest deal was found by Cheapflights users on 4/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/92:05 pm
ORD
- HRL
2 stops7h 30m
Southwest
Deal found 4/13![Southwest logo]()
$174
This Southwest deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/2512:15 pm
ORD
- HRL
2 stops9h 20m
Southwest
Deal found 4/16![Southwest logo]()
$235
This Kiwi.com deal was found by Cheapflights users on 4/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/255:50 am
ORD
- HRL
3 stops28h 09m
Multiple Airlines
Deal found 4/16![Multiple Airlines logo]()
$351
Find flight deals from O'Hare Intl to Harlingen
Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Harlingen (HRL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated April 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $277 (American Airlines) |
One-way from | $139 (American Airlines) |
Popular in | May |
Cheapest in | September |
Average price | $420 |
Cheapflights Fare Finder
Customize your flight search to find flights from O'Hare Intl to Harlingen that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Harlingen that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
ChicagoHarlingen
ORD - HRL
ORDHRL
Chicago O'Hare Intl
Thu 5/14
3:45 pm-8:35 pm
1 stop4h 50m
Harlingen Valley Intl
Mon 5/18
6:55 am-1:15 pm
1 stop6h 20m
$317
ChicagoHarlingen
ORD - HRL
ORDHRL
Chicago O'Hare Intl
Tue 5/12
3:45 pm-8:55 pm
1 stop5h 10m
Harlingen Valley Intl
Mon 5/18
6:55 am-1:15 pm
1 stop6h 20m
$327
ChicagoHarlingen
ORD - HRL
ORDHRL
Chicago O'Hare Intl
Tue 5/5
2:10 pm-8:00 pm
1 stop5h 50m
Harlingen Valley Intl
Wed 5/6
5:18 pm-12:45 am
1 stop7h 27m
$357
ChicagoHarlingen
ORD - HRL
ORDHRL
Chicago O'Hare Intl
Wed 5/13
2:40 pm-10:00 pm
2 stops7h 20m
Harlingen Valley Intl
Mon 5/18
6:55 am-1:15 pm
1 stop6h 20m
$382
ChicagoHarlingen
ORD - HRL
ORDHRL
Chicago O'Hare Intl
Tue 6/2
5:00 am-10:13 am
1 stop5h 13m
Harlingen Valley Intl
Fri 6/5
4:57 pm-12:35 am
1 stop7h 38m
$398
ChicagoHarlingen
ORD - HRL
ORDHRL
Chicago O'Hare Intl
Wed 5/6
5:30 am-11:23 am
1 stop5h 53m
Harlingen Valley Intl
Sat 5/16
5:18 pm-12:45 am
1 stop7h 27m
$437
ChicagoHarlingen
ORD - HRL
ORDHRL
Chicago O'Hare Intl
Wed 4/29
11:55 am-10:00 pm
2 stops10h 05m
Harlingen Valley Intl
Sat 5/2
6:05 am-9:55 pm
2 stops15h 50m
$444
Cheapest one-way
ChicagoHarlingen
ORD - HRL
ORDHRL
Chicago O'Hare Intl
Sat 5/9
12:30 pm-7:33 pm
1 stop7h 03m
$139
Quickest one-way
ChicagoHarlingen
ORD - HRL
ORDHRL
Chicago O'Hare Intl
Sat 4/25
8:50 am-3:05 pm
1 stop6h 15m
$169
ChicagoHarlingen
ORD - HRL
ORDHRL
Chicago O'Hare Intl
Sat 5/9
2:05 pm-9:35 pm
2 stops7h 30m
$174
Showing 1-10 of 11 resultsSorted by cheapest first
Compare providers for flights from O'Hare Intl to Harlingen
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Harlingen in April.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Harlingen flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Harlingen flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Harlingen flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Harlingen flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Harlingen flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from O'Hare Intl to Harlingen
Have a flexible travel schedule? Discover the best time to fly to Harlingen from O'Hare Intl with our price prediction graph.
ORD-HRL
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Chicago O'Hare Intl Airport to Harlingen
What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Harlingen?
Currently, September is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Harlingen (average of $252). Flying from Chicago O'Hare Intl Airport to Harlingen in May is currently the most expensive (average of $485). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Harlingen?
Reviews of airlines servicing Harlingen
Get insights into the airlines that provide service to Harlingen. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Harlingen. Reviews last updated April 17, 2026.
Read reviews from past customers who have flown Southwest,United Airlines, andAmerican Airlines from Chicago O'Hare Intl Airport to Harlingen. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Entertainment
7.5
Comfort
8.0
Food
7.0
Boarding
8.1
Crew
8.6
Overall
8.0
Reviews
1 / 20
2.0
MediocreMike,Aug 2025
OKC - AUS
Related info for your journey
Find useful and relevant information for your journey from O'Hare Intl to Harlingen. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Complete your trip
Complete your trip to Harlingen by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Harlingen
Explore flights to Harlingen departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
O'Hare Intl and Harlingen flights
Browse other O'Hare Intl and Harlingen flight options. Last updated on April 17, 2026.
Other flights from O'Hare Intl
Browse through other flights departing from O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on April 17, 2026.
Popular flight searches
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Top 3 airlines flying from O'Hare Intl to Harlingen
Discover the top 3 airlines that operate flights from O'Hare Intl to Harlingen. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$216 | Average$289 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$233 | Average$323 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$251 | Average$359 | FlexibilityNo cancel fee | On-time69% |